Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831
Is Reference of Mezcla de arena y grava-es#Sense
Sand-gravel mix-en#Sense
Pietrisco/bitume-it#Sense
Grave-fr#Sense
Grindasfalt-nl#Sense
Kiessand-de#Sense
Asfaltgrus-da#Sense